ComfyUI, the open-source node-based workflow tool for controlling AI image, video, and audio generation, has raised $30M at a $500M valuation. Led by Craft Ventures, the round follows a $19M Series A in late 2024. The startup, which started in 2023 to give creators granular control over diffusion model outputs, now claims over 4 million users. CEO Yoland Yan argues that prompt-based tools like Midjourney only get creators 60–80% of the way there, while ComfyUI's modular interface enables precise, repeatable control. The tool is used across VFX, animation, advertising, and industrial design, with 'ComfyUI artist' appearing as a formal job title at studios.
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